Answer:
first question: 3. osmosis is a kind of diffusion that involves the movement of water
2nd question: 1. it allows carbon dioxide to move in and out of the cell
Explanation:
Answer:
The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.
Explanation:
<span>Homeostasis is the ability to maintain a constant internal environment in response to environmental changes</span>
Answer:
A mountain chain of sedimentary rock may form as a result of a convergent boundary of two continental crusts
Explanation:
